JP4133950B2 - タンクの漏洩試験方法及び装置 - Google Patents
タンクの漏洩試験方法及び装置 Download PDFInfo
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- JP4133950B2 JP4133950B2 JP2004205370A JP2004205370A JP4133950B2 JP 4133950 B2 JP4133950 B2 JP 4133950B2 JP 2004205370 A JP2004205370 A JP 2004205370A JP 2004205370 A JP2004205370 A JP 2004205370A JP 4133950 B2 JP4133950 B2 JP 4133950B2
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- Prior art keywords
- tank
- sound pressure
- value
- leakage
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- 238000010998 test method Methods 0.000 title claims description 9
- 238000005259 measurement Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 5
- 230000006837 decompression Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013102 re-test Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Description
２ 通気管
３ 油計量機
４ 油吸入管
５ 開口部
６ 減圧維持装置
７ 減圧ホース
８ 大気開放ホース
９ 貯蔵液体
１０ 液中マイク
１１ 演算記憶装置
１２ 圧力計
Claims (4)
- 液体が貯留されているタンク内を大気圧とした状態で、異なる時刻に上記タンク内に生ずる音圧を複数回測定し、記憶せしめる工程と、
上記測定し、記憶した複数の音圧値のうちレベルの近似した音圧値を所望の数だけ合計し基準値として記憶する工程と、
上記タンク内を減圧する工程と、
異なる時刻に上記タンク内に生ずる音圧を複数回測定し、記憶せしめる工程と、
上記測定し、記憶した複数の音圧値のうちレベルの近似した音圧値を所望の数だけ合計し漏洩測定値として記憶する工程と、
上記基準値と上記漏洩測定値とを比較し、比較値が所定値以上となったとき漏洩ありと判断する工程と
よりなることを特徴とするタンクの漏洩試験方法。 - 上記基準値及び漏洩測定値は、夫々上記測定した複数の音圧値のうち音圧値の小さいものから所望の数だけ選択し、これを合計した値である事を特徴とする請求項１記載のタンクの漏洩試験方法。
- 液体が貯留されているタンク内を減圧する減圧装置と、上記タンク内に設けた音測定器と、上記タンク内が大気圧及び減圧状態とされた夫々における複数の異なる時刻に測定した複数の音圧値のうちレベルの近似したものを所望の数だけ合計し基準値及び漏洩測定値として記憶する演算記憶装置と、上記基準値と、漏洩測定値とを比較する比較手段とより成ることを特徴とするタンクの漏洩試験装置。
- 上記基準値及び漏洩測定値は、夫々上記測定した複数の音圧値のうち音圧値の小さいものから所望の数だけ選択し、これを合計した値である事を特徴とする請求項３記載のタンクの漏洩試験装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004205370A JP4133950B2 (ja) | 2004-07-13 | 2004-07-13 | タンクの漏洩試験方法及び装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004205370A JP4133950B2 (ja) | 2004-07-13 | 2004-07-13 | タンクの漏洩試験方法及び装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006029835A JP2006029835A (ja) | 2006-02-02 |
| JP4133950B2 true JP4133950B2 (ja) | 2008-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004205370A Expired - Lifetime JP4133950B2 (ja) | 2004-07-13 | 2004-07-13 | タンクの漏洩試験方法及び装置 |
Country Status (1)
| Country | Link |
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| JP (1) | JP4133950B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100307225A1 (en) * | 2008-01-27 | 2010-12-09 | Kengo Yoshida | Method for testing for the presence of a leak hole in a fluid container |
| JP6694320B2 (ja) * | 2016-04-28 | 2020-05-13 | 株式会社工技研究所 | 地下タンクの漏洩検査装置及び検査方法 |
| JP7759273B2 (ja) * | 2022-02-03 | 2025-10-23 | 大成建設株式会社 | 漏気検知方法 |
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2004
- 2004-07-13 JP JP2004205370A patent/JP4133950B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
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| JP2006029835A (ja) | 2006-02-02 |
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